koper - Controversial standard class operator set
It extends some standard classes with operators whose mathematical and logical meaning is difficult to justify.
Installation
Usage
1. Complete example
require 'koper'
hash = {
a: 1,
b: 2
}
array = [3, 4, 5, 6]
p hash / :a # => 1
p hash / [:b, :a] # => [2, 1]
p hash & :a # => {:a=>1}
p hash & [:b, :a] # => {:b=>2, :a=>1}
p !hash # => {1=>:a, 2=>:b}
p hash + {c: 3} # => {:a=>1, :b=>2, :c=>3}
p array / 2 # => 5
p array / (1..2) # => [4, 5]
p array >> 2 # => [3, 4]2. dig
require 'koper'
hash = {
a: 1,
b: {
c: 2
},
d: [
5,
{
e: 5
}
]
}
p hash/:b/:c # => 2
p hash/:x/:y # => nil
p hash/:d/1/:e # => 5Authors